Used AR15 Builder's Kit 5.56mm NATO 14.5" Rifle Barrels Build Kits AR-15

Sold On:September 29, 2026 at 10:15 PM
How Buying WorksEnded on September 29, 2026 at 10:15 PM

Key Features

  • Item Type: Rifle Barrels
  • Manufacturer: Unbranded
  • Barrel Length: 14.5"
  • Caliber: 5.56mm NATO
  • Overall Condition: Good

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Product Description

    Unbranded Builder's Kit with Daniel Defense 14.5" 5.56 NATO 1:7 Barrel & Adams Arms Mid-Length Piston Kit

    This AR-pattern builder's kit centers around a Daniel Defense 14.5" barrel chambered in 5.56mm NATO with a 1:7 twist, paired with an Adams Arms mid-length piston conversion kit. The barrel is fitted with a SureFire SFMB-556-1/2-28 SOCOM muzzle brake.

    Included with this kit are a stripped upper receiver, a Midwest Industries 9" quad rail, buffer tube, buffer, buffer spring, and a Daniel Defense handguard. The Adams Arms piston kit is mid-length (firing pin and retaining pin not included), and the Midwest Industries quad rail is 9" (mounting nut not included).

Specifications

Item TypeRifle Barrels
ManufacturerUnbranded
SubmodelBuilder's Kit
Caliber5.56mm NATO
Overall ConditionGood
Bore ConditionGood
Barrel Length14.5"
What's IncludedDaniel Defense 14.5" Barrel Stripped Upper Receiver Adams Arms Mid-Length Piston Kit (Firing Pin & Retaining Pin not included) Midwest Industries 9" Quad Barrel (Mounting Nut not included) Buffer Tube Buffer Buffer Spring Daniel Defense handguard